Week - 1
- Check if all leaves are at same level
- Sum of all nodes in a binary tree
- Sum of all the parent nodes having child node x
- Sum of all left leaves in a binary tree
- Sum of all nodes in a perfect binary tree with last level numbered from 1 to n
- Diagonal sum of a binary tree
- Check if removing an edge can divide a Binary Tree in two halves
- LCA noobie approach
- Check if two trees are mirrors of eachother
- Sum of nodes along the longest path from root to leaf
- Succinct Encoding of binary tree
- Binary indexed / Fenwick tree
- Check if given pre, post and inorder traversals are from the same tree - set 1
- Check if given pre, post and inorder traversals are from the same tree - set 2
- Level order traversal in spiral form